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Tenma 10A variac autotransformers 0-130V

Tenma 10A Variacs, cheap. As seen in the pics, the plastic bulkheads holding the meter, fuse and recepticle are cracked. They both work fine otherwise, just tested. Nothing a little duct tape can't fix ;) this is DIY.........

Output is 0-130V

If duct tape and/or glue is not your thing then.......

As a 20 minute project, I would remove the bulkhead, mount to a small piece of plywood, and wire to a household receptacle in a metal J-Box. The wires are connected to the meter, etc with faston terminals, so easy mod.

These sell for $80-$100 new on the web

Two available $25 each + shipping from So Cal
 

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